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3 years ago

Why is cng preferred over petrol or diesel?

2 answers:

7 0

Compressed natural gas is preferred as it is a very clean-burning fuel as in reality it is the cleanest of all fossil fuels. It consists mainly of methane and when it burns it produces carbon dioxide and water vapor which are exhaled when we breathe. Whereas petroleum produces higher carbon emissions, nitrogen oxides and sulfur dioxide and emits ash that worsen pollution. CNG usage is non-toxic to water levels also and does not contaminate the ground water table also.

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liq [111]3 years ago

3 0

CNG does not cause air pollution so CNG preferred over petroleum or diesel

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An electron's quantum number falls under which structure classification O macroscopic O subatomic atomic Omicroscopic O none of

Tems11 [23]

Answer:

O subatomic atomic

Explanation:

Each orbitals of an atom and electrons accommodated are described by a set of quantum numbers. These numbers gives the position of an orbital with respect to the nucleus, the shape of the orbital, its spatial orientation and the spin of the electron in the orbital.

The quantum numbers can be used to write proper sub-level notation of an atom.

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3 years ago

In which process are glucose and oxygen the reactants?

Alenkasestr [34]

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4 years ago

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(Help if you know) What is one way land helps reduce the force of a hurricane as it moves inland?

Mice21 [21]

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3 0

3 years ago

Question:<br> What is the molar concentration of 1.29 mol of KCL dissolved in 350 mL of solution?

STatiana [176]

Answer:

M = 3.69 M.

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to calculate the molar concentration of the 1.29 moles of KCl in 350 mL of solution by recalling the mathematical definition of molarity as the division of the moles by the volume in liters, in this case 0.350 L; thus, we proceed as follows:

$M=\frac{1.29mol}{0.350L}\\\\M=3.69M$

Which gives molar units, M, or just mol/L.

Regards!

8 0

3 years ago

A certain reaction has an enthalpy of Δ=44 kJ and an activation energy of a=61 kJ. What is the activation energy of the reverse

avanturin [10]

Answer:

E = 17 kJ

Explanation:

The enthalpy of the reaction is:

$\Delta H = E_{p} - E_{r}$

<u>Where</u>:

Ep: is the energy of the products

Er: is the energy of the reactants

Similarly, the enthalpy of the reaction is related to the activation energy forward ( $E_{F}$ ) and to the activation energy reverse ( $E_{R}$ ) as follows:

$\Delta H = E_{F} - E_{R}$

Having that ΔH = 44 kJ and $E_{F}$ = 61 kJ, the activation energy of the reverse reaction is:

$E_{R} = E_{F} - \Delta H = 61 kJ - 44 kJ = 17 kJ$

Therefore, the activation energy of the reverse reaction is 17 kJ.

I hope it helps you!

3 0

3 years ago

Why is cng preferred over petrol or diesel?​

Why is cng preferred over petrol or diesel?